Digital camera with dual optical systems

Details Digital camera with dual optical systems Digital camera with dual optical systems

2006-09-27

2010-06-15

Tran, Nhan T (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S240300, C348S240990, C396S060000, C396S072000, C359S676000

Reexamination Certificate

active

07738016

ABSTRACT:
A digital camera has a first optical system having a wide zoom lens and a second optical system for a telephotography zoom lens. In an initial state where power is active, a controller and timing-generator controls the wide zoom lens so as to be situated at a wide position and the telephotography zoom lens so as to be situated at a telephotograph position. When zoom-in is effected, the wide zoom lens is actuated, and the telephotography zoom lens is maintained at the telephotograph position. When a zoom position of the wide zoom lens has reached a threshold zoom position set to a wider angle of view than that achieved at the telephotograph position, the telephotography zoom lens starts being actuated toward the wide position. When the zoom lens has reached the telephotograph position, an image signal is switched from the wide zoom lens to the telephotography zoom lens, and the selected image signal is output.

REFERENCES:
patent: 5822625 (1998-10-01), Leidig et al.
patent: 6757013 (2004-06-01), Matsuzaka
patent: 2003/0020814 (2003-01-01), Ono
patent: 10-042183 (1998-02-01), None
patent: 2003-283910 (2003-10-01), None

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